package com.example.concurrency.example.immutable;

import com.example.concurrency.annoations.ThreadSafe;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableSet;
import lombok.extern.slf4j.Slf4j;

@Slf4j
@ThreadSafe
public class immutableExample3 {

    private final static ImmutableList list = ImmutableList.of(1,2,3);

    private final static ImmutableSet set = ImmutableSet.copyOf(list);

    private final static ImmutableMap<Integer,Integer> map = ImmutableMap.of(1,2,3,4);

    private final static ImmutableMap<Integer,Integer> map2 =
        ImmutableMap.<Integer,Integer>builder().put(1,2).put(3,4).build();

    public static void main(String[] args) {
        System.out.println(map2.get(3));
    }
}
